Identical Strangers: A Memoir of Twins Separated and Reunited
	Emotionally Healthy Twins: A New Philosophy for Parenting Two Unique Children
	Twins: And What They Tell Us About Who We Are
	Entwined Lives: Twins and What They Tell Us About Human Behavior
	Evil Twins: Chilling True Stories of Twins, Killing and Insanity (St. Martin's True Crime Library)
	The Gene Illusion - Genetic Research in Psychiatry and Psychology Under the Microscope
	Infancy to Early Childhood: Genetic and Environmental Influences on Developmental Change
	Methodology for Genetic Studies of Twins and Families (NATO Science Series D: (closed))